Home / 58,018.40-80,057.76-34,140.32

Finding the Fourth Proportional to 58,018.40, 80,057.76 and 34,140.32

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Solution

The fourth proportional to 58,018.40, 80,057.76 and 34,140.32 is: 47,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,018.40 : 80,057.76 = 34,140.32 : x
  2. Step 2: Convert to fraction form
    58,018.40/80,057.76 = 34,140.32/x
  3. Step 3: Cross multiply
    58,018.40x = 80,057.76 × 34,140.32
  4. Step 4: Simplify right side
    58,018.40x = 2,733,197,544.88
  5. Step 5: Solve for x
    x = 2,733,197,544.88/58,018.40
  6. Step 6: Final answer
    x = 47,109.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.